brk/crates/brk_computer/examples/computer.rs

use std::{
    env,
    path::Path,
    thread::{self, sleep},
    time::{Duration, Instant},
};

use brk_computer::Computer;
use brk_error::Result;
use brk_fetcher::Fetcher;
use brk_indexer::Indexer;
use brk_iterator::Blocks;
use brk_reader::Reader;
use brk_rpc::{Auth, Client};
use mimalloc::MiMalloc;
use vecdb::Exit;

#[global_allocator]
static GLOBAL: MiMalloc = MiMalloc;

pub fn main() -> color_eyre::Result<()> {
    color_eyre::install()?;

    // Can't increase main thread's stack size, thus we need to use another thread
    thread::Builder::new()
        .stack_size(512 * 1024 * 1024)
        .spawn(run)?
        .join()
        .unwrap()?;

    Ok(())
}

fn run() -> Result<()> {
    brk_logger::init(Some(Path::new(".log")))?;

    let bitcoin_dir = Client::default_bitcoin_path();
    // let bitcoin_dir = Path::new("/Volumes/WD_BLACK/bitcoin");

    let outputs_dir = Path::new(&env::var("HOME").unwrap()).join(".brk");
    // let outputs_dir = Path::new("../../_outputs");

    let client = Client::new(
        Client::default_url(),
        Auth::CookieFile(bitcoin_dir.join(".cookie")),
    )?;

    let reader = Reader::new(bitcoin_dir.join("blocks"), &client);

    let blocks = Blocks::new(&client, &reader);

    let mut indexer = Indexer::forced_import(&outputs_dir)?;

    let fetcher = Fetcher::import(true, None)?;

    let exit = Exit::new();
    exit.set_ctrlc_handler();

    let mut computer = Computer::forced_import(&outputs_dir, &indexer, Some(fetcher))?;

    loop {
        let i = Instant::now();
        let starting_indexes = indexer.checked_index(&blocks, &client, &exit)?;
        computer.compute(&indexer, starting_indexes, &reader, &exit)?;
        dbg!(i.elapsed());
        sleep(Duration::from_secs(10));
    }
}